Table 1 Summary of patient samples and demographic per group

Number of stool samples

520

121

–

Gestation (weeks)^a

27 (24–30)

26 (23–30)

0.599

Birth weight (g)^a

910 (545–1810)

760 (500–1470)

0.416

Birth mode (CS/vaginal)

15/13

3/4

1.0

Gender (male/female)

20/8

3/4

0.345

Antibiotic prediagnosis (days)^a

–

14 (2–26)

–

Antibiotic total (days)^a

4.5 (2–31)

29 (6–44)

0.0002